https://jobs.co.uk/job/microsoft-office-add-in-developer-netc-matchtech--55d84783-aac0-4333-8f1c-aec5ba204b5b RSS feed for Microsoft Office Add-In Developer (.NET/C#) at Matchtech. en-gb Thu, 08 Oct 2026 03:56:08 GMT https://jobs.co.uk/job/microsoft-office-add-in-developer-netc-matchtech--55d84783-aac0-4333-8f1c-aec5ba204b5b https://jobs.co.uk/job/microsoft-office-add-in-developer-netc-matchtech--55d84783-aac0-4333-8f1c-aec5ba204b5b Wed, 07 Oct 2026 11:53:06 GMT Location: London | Salary: 10000-500000 Annual | Type: Contract | Microsoft Office Add-In Developer (.NET/C#)Office Add-ins VSTO Azure Azure DevOps Inside IR35 ASAP Start Contract until January 2027We''re partnering with a prestigious London-based law firm to secure an experienced Microsoft Office Add-In Developer to support the development, enhancement and maintenance of bespoke Office solutions used across the business.This role is ideal for a developer with strong experience in .NET, C#, VSTO and custom Microsoft Office add-ins, alongside exposure to Azure-hosted solutions and Azure DevOps (ADO) pipelines.While primarily remote, candidates should be willing and able to travel to London on occasion for stakeholder meetings, workshops and project activities.Key ResponsibilitiesDesign, develop and maintain bespoke Microsoft Office add-ins and integrations.Build and support solutions using .NET, C# and VSTO technologies.Gather requirements and work closely with business stakeholders to deliver tailored solutions.Enhance and support existing Office-based applications and automation tools.Develop and maintain integrations with backend systems and services.Support Azure-hosted applications and services associated with Office solutions.Create and main... Contract